3 files changed, 48 insertions, 3 deletions
diff --git a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs
index 7555553c2c5..591ccd45ab6 100644
--- a/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs
+++ b/tests/codegen/loongarch-abi/loongarch64-lp64d-abi.rs
@@ -250,11 +250,11 @@ pub struct IntDoubleInt {
     c: i32,
 }
 
-// CHECK: define void @f_int_double_int_s_arg(ptr noalias nocapture noundef dereferenceable(24) %a)
+// CHECK: define void @f_int_double_int_s_arg(ptr noalias nocapture noundef align 8 dereferenceable(24) %a)
 #[no_mangle]
 pub extern "C" fn f_int_double_int_s_arg(a: IntDoubleInt) {}
 
-// CHECK: define void @f_ret_int_double_int_s(ptr noalias nocapture noundef sret(%IntDoubleInt) dereferenceable(24) %0)
+// CHECK: define void @f_ret_int_double_int_s(ptr noalias nocapture noundef sret(%IntDoubleInt) align 8 dereferenceable(24) %_0)
 #[no_mangle]
 pub extern "C" fn f_ret_int_double_int_s() -> IntDoubleInt {
     IntDoubleInt { a: 1, b: 2., c: 3 }
diff --git a/tests/codegen/sroa-fragment-debuginfo.rs b/tests/codegen/sroa-fragment-debuginfo.rs
new file mode 100644
index 00000000000..fb10f63beaf
--- /dev/null
+++ b/tests/codegen/sroa-fragment-debuginfo.rs
@@ -0,0 +1,46 @@
+// compile-flags: -g -Zmir-opt-level=0 -Zmir-enable-passes=+ScalarReplacementOfAggregates
+// compile-flags: -Cno-prepopulate-passes
+//
+// Tested offsets are only correct for x86_64.
+// only-x86_64
+
+#![crate_type = "lib"]
+
+pub struct ExtraSlice<'input> {
+    slice: &'input [u8],
+    extra: u32,
+}
+
+#[no_mangle]
+pub fn extra(s: &[u8]) {
+// CHECK: void @extra(
+// CHECK: %slice.dbg.spill1 = alloca i32,
+// CHECK: %slice.dbg.spill = alloca { ptr, i64 },
+// CHECK: %s.dbg.spill = alloca { ptr, i64 },
+// CHECK: call void @llvm.dbg.declare(metadata ptr %s.dbg.spill, metadata ![[S_EXTRA:.*]], metadata !DIExpression()),
+// CHECK: call void @llvm.dbg.declare(metadata ptr %slice.dbg.spill, metadata ![[SLICE_EXTRA:.*]], metadata !DIExpression(DW_OP_LLVM_fragment, 0, 128)),
+// CHECK: call void @llvm.dbg.declare(metadata ptr %slice.dbg.spill1, metadata ![[SLICE_EXTRA]], metadata !DIExpression(DW_OP_LLVM_fragment, 128, 32)),
+    let slice = ExtraSlice { slice: s, extra: s.len() as u32 };
+}
+
+struct Zst;
+
+pub struct ZstSlice<'input> {
+    slice: &'input [u8],
+    extra: Zst,
+}
+
+#[no_mangle]
+pub fn zst(s: &[u8]) {
+    // The field `extra` is a ZST. The fragment for the field `slice` encompasses the whole
+    // variable, so is not a fragment. In that case, the variable must have no fragment.
+
+// CHECK: void @zst(
+// CHECK-NOT: call void @llvm.dbg.declare(metadata ptr %slice.dbg.spill, metadata !{}, metadata !DIExpression(DW_OP_LLVM_fragment,
+// CHECK: call void @llvm.dbg.declare(metadata ptr %{{.*}}, metadata ![[SLICE_ZST:.*]], metadata !DIExpression()),
+// CHECK-NOT: call void @llvm.dbg.declare(metadata ptr %{{.*}}, metadata ![[SLICE_ZST]],
+    let slice = ZstSlice { slice: s, extra: Zst };
+}
+
+// CHECK: ![[S_EXTRA]] = !DILocalVariable(name: "s",
+// CHECK: ![[SLICE_EXTRA]] = !DILocalVariable(name: "slice",
diff --git a/tests/codegen/tuple-layout-opt.rs b/tests/codegen/tuple-layout-opt.rs
index 309fe1d5ec9..7cc67a9b51c 100644
--- a/tests/codegen/tuple-layout-opt.rs
+++ b/tests/codegen/tuple-layout-opt.rs
@@ -1,4 +1,3 @@
-// ignore-emscripten
 // compile-flags: -C no-prepopulate-passes -Copt-level=0
 
 // Test that tuples get optimized layout, in particular with a ZST in the last field (#63244)